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WorksheetsEarth Science Semester 2 Exam 2022
Total questions: 55
Worksheet time: 28mins
Dinosaurs became extinct at the end of the
a. Paleocene Epoch
b. Cretaceous Period
c. Triassic Period
d. Jurassic Period
2. The numeric age of an object is called
a. comparative age
b. relational age
c. relative age
d. absolute age
3. According to the impact hypothesis, dinosaurs became extinct when
a, the continents underwent great movement
b. Earth's climate became much warmer
c. volcanic activity increased
d. an asteroid crashed into Earth
Almost all fossils are discovered in
.a. volcanic rocks
b. metamorphic rock
c. igneous rocks
d. sedimentary rock
Why is radioactive decay used to determine the absolute age of rocks?
a .Radioactive decay cannot be used to determine the age of the rock
b. Radioactive decay happens a relatively constant rate
c. Radioactive decay happens very quickly
d. Radioactive decay does not happen at a constant rate
Vein deposits are usually produced by
a. density sorting
b. hydrothermal solutions
c. cementation and compaction
d. weathering
Which of the following is an example of a renewable resource?
a. caol
b. copper
c. cotton
d. natural gas
A variety of life- forms appeared in the Cambrian Period due to
a. lush forests of cycards appearing
b. shallow inland seas retreating
c. warm, shallow seas covering the continents
d. tectonic activity that created mountain ranges
A geologic period is usually named for
a. the person who found the first fossils from the period
b. the place where its characteristic fossils were first discovered
c. specific types of fossils
d. the time in which the period occurred
Which of the following are all the ways that organisms can be fossilized
a. amber, petrification, mummification, freezing
b. freezing, petrification, decay, amber
c. mummification, decay, petrification freezing
d. deacy, petrification. mummification, amber
Younger layers of undisturbed sedimentary rock are above older layers according to
a. the principle of sedimentation
b. the principle of uniformitarianism
c. the angular unconformity
d. the law of superposition
The principle that Earth's history can be explained by current geologic processes is
a. superposition
b. uniformitarianism
c. unconformity
d. evolution
The most common Precambrian fossils are
a. brachiopods
b. cyanobacteria
c. marine worms
d. trilobites
A fault or body of rock is younger than any other body of rock it cuts through according to the law of
a. superposition
b. uniformitarianism
c. crosscutting relationships
d. average
The principle of uniformitarianism states that
a. current geologic processes can explain past rocesses
b. geologic processes can explain the movement of Earth's orbit
c. geologic processes are uniform throughout the Earth
d. past processes can explain the future of biological organisms
Mountain ranges created during the Cenozoic Era include the
a. Sierra Nevadas
b. Andes
c. Himalayas
d. Canadian Rockies
On a geologic column, the oldest rocks
a. are in the middle
b. are on the top
c. contain fossils of modern-day animals
d. are on the bottom
The Cenozoic Era is known as the
a. Age of the Reptiles
b. Age of Fishes
c. Age of Mammals
d. Age of Evolution
The age of an object in relation to the ages of other objects
a. relative age
b. relational age
c. absolute age
d. comparative age
The end of the Permian Period was marked by
a. mass extinction
b. domination by dinosaurs
c. many new life form
d. the extinction of reptiles
Which of the following causes gyres to form?
a. deep currents
b. West Wind Drift
c. the Coriolis effect
d. the Equatorial Countercurrent
Farmers can reduce soil erosion by
a. contour plowing
b. plowing up roots
c. grazing cattle on the land
d. increasing irrigation
A frozen organism does not decay because
a. most bacteria survive freezing temperatures.
b. it needs water to decay
c. most bacteria can't survive freezing temperatures
d.it is dried out
The division of geologic time that makes up about 88% of Earth's history is called
a. the Paleozoic Era
b. Precambrian time
c. the Cambrian Period
d. the Permian Period
Geologic time is divided into
a. two eons
b. three eons
c. five eons
d. four eons
How is radioactive decay used to determine the absolute age of rocks?
a. Radioactive substances are compared to non-radioactive substances
b. Parent isotopes are compare to daughter isotopes
c. Daughter isotopes are compared to sister isotopes
d. Isotopes of different compounds are compared
Index fossils found in rocks layers in different areas of the world indicate that the rock layers
a. are still forming
b. formed during different period of time
c. never fully formed
d. formed during the same period of time
The first amphibians appeared during the
a. Carboniferous Period
b. Quaternary Period
c. Devonian Period
d. Cretaceous Period
What is amber?
a. tar that fossilizes
b. tree sap that fossilizes insects
c. frozen organic matter
d. dead bacteria that creates fossils
Carbon- 14 is an isotopes
a. formed by radioactive decay
b. used to date objects less than 70,000 years old
c. used to date objects over 6,000 years old
d. that cannot be used to date objects
What are renewable resources?
a. resources that can replenish themselves over time
b. resources that exist only in rural areas
c. resources that formed over millions of years
d. resources that are used faster that they form
Deep currents are causes by
a. differences in density of oceans water
b continental barriers
c. the Coriolis effect
d. global wind belts
The boundary between two sedimentary rock layers is called a(n)
a. bedding layer
b. bedding plane
c. crosscut plane
d. crosscut layer
Dinosaurs first appeared during the
a. Jurassic Period
b. Triassic Period
c. Cretaceous Period
d. Quaternary Period
They way fossils are formed in very dry places in called
a. decaying
b. petrification
c. mummification
d. sedimentation
What is believed to be a major factor in the extinction of dinosaurs?
A giant volcano eruption
An ice age
A massive flood
An asteroid impact
2. The numeric age of an object is called
a. comparative age
b. relational age
c. relative age
d. absolute age
Almost all fossils are discovered in
.a. volcanic rocks
b. metamorphic rock
c. igneous rocks
d. sedimentary rock
Vein deposits are usually produced by
a. density sorting
b. hydrothermal solutions
c. cementation and compaction
d. weathering
Which of the following is an example of a renewable resource?
a. caol
b. copper
c. cotton
d. natural gas
A variety of life- forms appeared in the Cambrian Period due to
a. lush forests of cycards appearing
b. shallow inland seas retreating
c. warm, shallow seas covering the continents
d. tectonic activity that created mountain ranges
Younger layers of undisturbed sedimentary rock are above older layers according to
a. the principle of sedimentation
b. the principle of uniformitarianism
c. the angular unconformity
d. the law of superposition
The first period of the Mesozoic Era was called the
a. Tertiary Period
b. Cretaceous Period
c. Quaternary Period
d. Triassic Period
A fault or body of rock is younger than any other body of rock it cuts through according to the law of
a. superposition
b. uniformitarianism
c. crosscutting relationships
d. average
What factors interact to produce smog?
a. sunlight and oxygen
b. sunlight and pollutants from fossil fuels
c. sunlight and acid rain
d. particulates and pollutants from fossil fuels
The age of an object in relation to the ages of other objects
a. relative age
b. relational age
c. absolute age
d. comparative age
Most metallic ores are produced by which two types of processes?
a. metamorphic and sedimentary
b. igneous and sedimentary
c. cementation and compaction
d.igneous and metamorphic
The end of the Permian Period was marked by
a. mass extinction
b. domination by dinosaurs
c. many new life form
d. the extinction of reptiles
The division of geologic time that makes up about 88% of Earth's history is called
a. the Paleozoic Era
b. Precambrian time
c. the Cambrian Period
d. the Permian Period
Geologic time is divided into
a. two eons
b. three eons
c. five eons
d. four eons
The mass extinction at the end of the Permian Period led to
a. delayed evolution of new species in the Cenozoic Era
b. abundant new life-forms in the Mesozoic and Cenozoic Eras
c. little environmental changes in the Mesozoic Era
d. fewer resources during the Mesozoic Era
The first amphibians appeared during the
a. Carboniferous Period
b. Quaternary Period
c. Devonian Period
d. Cretaceous Period
Which would be least likely affected by a density-dependent limiting factor?
a. a small, scattered population
b. a population with a high birthrate
c. a large, dense population
d. a population with a high immigration rate
Deep currents are causes by
a. differences in density of oceans water
b continental barriers
c. the Coriolis effect
d. global wind belts
The highest point of a wave is its
a. cest
b. wave period
c. trough
d. wave height
